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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-24 13:13:57 +08:00
linux-next/drivers/mmc/host
Ben Dooks 68c5ed592f s3cmci: DMA fixes
Fixes for the DMA transfer mode of the driver to try and improve the state
of the code:

- Ensure that dma_complete is set during the end of the command phase
  so that transfers do not stall awaiting the completion

- Update the DMA debugging to provide a bit more useful information
  such as how many DMA descriptors where not processed and print the
  DMA addresses in hexadecimal.

- Fix the DMA channel request code to actually request DMA for the
  S3CMCI block instead of whatever '0' signified.

- Add fallback to PIO if we cannot get the DMA channel, as many of the
  devices with this block only have a limited number of DMA channels.

- Only try and claim and free the DMA channel if we are trying to use it.

This improves the driver DMA code to the point where it can now identify a
card and read the partition table.  However the DMA can still stall when
trying to move data between the host and memory.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-01 16:11:15 -07:00
..
at91_mci.c mmc: at91_mci: reorder timer setup and mmc_add_host() call 2008-11-30 23:52:44 +01:00
atmel-mci-regs.h atmel-mci: add MCI2 register definitions 2009-06-13 22:43:01 +02:00
atmel-mci.c Merge branch 'for-linus' of git://neil.brown.name/md 2009-09-24 07:55:29 -07:00
au1xmmc.c au1xmmc: raise segment size limit. 2008-08-01 19:04:26 +02:00
cb710-mmc.c cb710: use SG_MITER_TO_SG/SG_MITER_FROM_SG 2009-07-31 12:28:46 +02:00
cb710-mmc.h mmc: Driver for CB710/720 memory card reader (MMC part) 2009-06-13 22:42:58 +02:00
imxmmc.c imxmmc: Remove unnecessary semicolons 2009-07-31 12:28:46 +02:00
imxmmc.h imxmmc: use readl/writel 2008-12-16 14:58:17 +01:00
Kconfig s3cmci: Kconfig selection for PIO/DMA/Both 2009-10-01 16:11:15 -07:00
Makefile mmc: msm_sdccc: driver for HTC Dream 2009-09-23 07:39:32 -07:00
mmc_spi.c spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
mmci.c ARM: 5721/1: MMCI enable the use of a regulator 2009-09-22 20:49:05 +01:00
mmci.h ARM: 5721/1: MMCI enable the use of a regulator 2009-09-22 20:49:05 +01:00
msm_sdcc.c msm_sdcc.c: move overly indented code to separate function 2009-09-23 07:39:33 -07:00
msm_sdcc.h mmc: msm_sdccc: driver for HTC Dream 2009-09-23 07:39:32 -07:00
mvsdio.c mvsdio: fix handling of partial word at the end of PIO transfer 2009-07-20 16:46:34 -07:00
mvsdio.h mmc: SDIO driver for Marvell SoCs 2009-03-24 21:30:03 +01:00
mxcmmc.c trivial: fix typo "to to" in multiple files 2009-09-21 15:14:55 +02:00
of_mmc_spi.c mmc: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
omap_hsmmc.c omap4: mmc driver support on OMAP4 2009-09-23 07:39:37 -07:00
omap.c mmc/omap: make mmci-omap using platform_driver_probe 2009-06-13 22:42:57 +02:00
pxamci.c [ARM] pxa: update pxamci.c to use 'struct dev_pm_ops' 2009-09-10 19:15:37 +08:00
pxamci.h [ARM] pxa: mmc: add 1st host controller support for pxa3xx 2008-01-26 15:07:53 +00:00
ricoh_mmc.c ricoh_mmc: Use suspend_late/resume_early 2009-02-02 20:57:06 +01:00
s3cmci.c s3cmci: DMA fixes 2009-10-01 16:11:15 -07:00
s3cmci.h s3cmci: DMA fixes 2009-10-01 16:11:15 -07:00
sdhci-of.c sdhci-of: cleanup eSDHC's set_clock() a little bit 2009-09-23 07:39:37 -07:00
sdhci-pci.c sdhci: support for ADMA only hosts 2009-09-23 07:39:38 -07:00
sdhci-pltfm.c sdhci: platform driver for SDHCI 2009-06-13 22:42:59 +02:00
sdhci-s3c.c sdhci: Add SDHCI_QUIRK_NO_MULTIBLOCK quirk 2009-06-21 21:00:58 +02:00
sdhci.c sdhci: increase timeout for internal clock stabilization. 2009-09-23 07:39:40 -07:00
sdhci.h sdhci: support for ADMA only hosts 2009-09-23 07:39:38 -07:00
sdricoh_cs.c Merge branch 'master' of ../mmc 2008-12-31 19:56:05 +01:00
tifm_sd.c mmc: struct device - replace bus_id with dev_name(), dev_set_name() 2008-11-08 21:37:46 +01:00
tmio_mmc.c tmio_mmc: allow compilation for ASIC3 2009-06-13 22:43:01 +02:00
tmio_mmc.h tmio_mmc: add bus_shift support 2009-06-13 22:43:00 +02:00
via-sdmmc.c mmc: Add new via-sdmmc host controller driver 2009-06-21 21:00:59 +02:00
wbsd.c New mail address for Pierre Ossman 2009-04-08 20:14:54 +02:00
wbsd.h mmc: update header file paths 2007-07-26 01:53:31 +02:00